Window ventilator



April 27, 1948. J. c. GERKEN WINDOW VENTILATOR 2 Sheets-Sheet 1 Filed Feb. 8, 1945 Hl-S' ATTORNEY April 27, 1948. J. c; GERKEN wmnow' VENTILATOR Filed Feb. 8, 194s 2 Sheets-Sheet 2 INVENTOR. JOAW a GF/FAH/ Patented Apr. 27, 1948 Nil-TE D: E E

EN? F'ICE.

WINDGW" VENTIEATOR' .llohn:G;.iGerken, Detroit, Application February 8, 1945;.Seri'al No. 576310.

(Cl. 98%:99i3) 2.Glairns.. 1.

My' invention relates to a new and-useful improvement in a window ventilatoradaptedifor mounting below a: raised sash of thewindow' and has for its object the provision; of a-ventilator of this'class which will Joe-light, durable; compact-,- of

simple construction, economicalof manufacture Anotherobject of the invention is the provision; of a window ventilatorof' this class so" constructed andarrangedthat a screen frame embodying a screen may: be easilyhand quickly placed in position in theventilator.

Other objects will appear hereinafter;

It is recognized that various changes-and modifications may be made in the detail'of structureillustrated without departing from the invention 1 itself and it isintended that such variationsand modifications shall be encompassedwithin the;

scope of the claims which form a part hereof;

Forming a part of this specification are drawings in which,

Fig. 1 is a front elevational' view of the invention;

Fig. 2 is a rear elevational view of the invention;

Fig. 3 is a sectional view, slightly enlarged, taken on line 33 of Fig, 1;

Fig. 4 is a sectional view" taken on line t -410i? Fig. 3, with a part brokenaway;

Fig. 5 is-a fragmentary, slightenlarged, sectional view taken on line 5-5-of Fig. 4;

Fig. 6 is a fragmentary, slightly enlarged. View taken on line 6-6 of Fig. 2;

Fig, '7 is a fragmentary elevational View" taken orrlineT-J of Fig. 6;

Fig, 8 is a slightly enlarged; fragmentary'sece tional View.

Thestructure comprises a frame embodying aside rail" l5, which is preferablyformed tubular and from sheet metal, having the groovet5. formed in the outer face H thereof. A channelshaped side rail embodying the legs l8 and I 9 and the bight is positioned opposite the side rail l5. It is preferred to form the entire structure out of sheet metal for the purposes of durahility and lightness. These side rails are connected together at their tops by the top rail 2i having at its outer edge the downwardly turned flange 22 and an upwardly turned flange 23 at its forward end. The side rails are connected at their lower ends by the bottom rail 24 having the downwardly offset portion 25 which is themselves.

wouldlie upon the window silliandthe toprailwould be engaged by thebottom rail of thewimdow sash; The side rail 15 is providedw-ithalimen- 2! which extends-inwardly beyond-theinner faceof the mill-5'. A similar plate- 28-of sheet metal issecured to-the inner-face-of-the bight 29% Theplate 2-?" isdoubled upon itself at-its inner-edge as at 28- to provide a channel 30*. 'Ihe-plate-Z-Gfl is doubledupon itselfy as at 3'l to provide a channel-32 I provide ascreen-embodying'the top*raii 2. 33, the bottom rail 34, the side-rail 35 andthe side rail 36; which serve as-asupport-for thescreen wire 3]. As c'learly- 'shown" in Fig; 4; this screenframeis-so-constructed that thescreen wire this; bound in the rails by doubling-the rails upon- I-he-screen frame is slid into the channels 38- and 32-, The screen frame isslidinto the channels 30 and 32- f-rom aboveand theupper rail 33 is provided with the downwardly bent flange th-whichsea-ts over theupwardly turnedportion23=of the rail-z t. Thelower rail of the-screen: frame is doubled uponitselfas at 39 to provide a channel inthe upwardly turned flange tll on the rail 24 engages so; thata' very close connection. istl'ius provided and one-- which is closely enough sealed for the purposes in tended so that-flies; mosquitoes and soforthieannot: enter.

show-nin Fig. 3; the louversare inclined? down--- ward'ly and 'outwardly sothat an eifecti've' watershed is: thus provided. A tubular rail: 4'25 is:

mounted in: thechannel formed by. the. legs :81; and L9 of: thensi'de rail. 'Iihisrailtfi isiprovid'eel" in: its outer face: with the groove 4:3: in. which, the

window stop. or window'strip; may engage.

rail 42 also carries a bolt 44 which is projected through the bight 20 and the plate 28 so that the rail 32 may be pushed inwardly toward the bight 20 against the compression of the spring 45.

a channel-shaped adjusting rail 55 is adapted for mounting on the rail 15, this adjusting rail being provided with the groove ll on its face 48 for reception of the weather strip or a window stop. It is intended that these adjusting rails 46 be made of different widths so that the structure may thus quickly be modified as to its width to fit windows of various widths. When the proper size rail 46 has been mounted in position and it is intended to mount the structure in a window opening, the end bearing the rail 46 would first be inserted in the window opening so that the weather strip or guide strip would engage in the channel or groove 47. The structure may then be swung until the rail 42 engages the window frame, whereupon the rail 42 would be pressed inwardly against the compression of the spring 45 until the entire structure had moved into position. In this way, an easy and quick mounting of the structure in the window opening is provided and one which will prevent rattling.

The method of securing the rail 46 on the rail 15 is a simple and effective one. The rail 15 carries studs 49 on which are heads 50. The sides of the adjusting rail '46 are provided with bayonet slots spaced apart to receive the studs 49. With this type of structure, the adjusting rail may be easily mounted in position and, when moved longitudinally, secured against undue removal.

The rail 42 may be locked against inward movement after it has been mounted in position. This rail carries the slidable plate 52 projecting outwardly from which is a stud 53 engaging in the cut away portion 54 of the leg l3. When the plate is swung to position, where the stud 53 will register with the slot 55 formed in the plate 53, the rail 42 may be pressed inwardly, the stud travelling inwardly of the slot 54. When in the position shown in Fig, '7, the inward movement of the rail 42 is prevented through the engagement of the stud 53 with the edge of the cut away portion of the rail I8.

Experience has shown that a construction of this type is one which is most effective in use and which is light and may be easily handled so that it may be placed in position and be moved by a woman, while, at the same time, the structure is one which is of such durability that it cannot be easily damaged.

What I claim as new is:

1. A ventilator of the class described comprising a frame embodying a pair of oppositely disposed side rails and a top rail and bottom rail all rigidly connected together; an angularly turned portion on one of the corresponding edges of the said side rails to provide an outwardly projecting shoulder and an inwardly faced channel on said edge of each of said side rails; a U-shaped member mounted on and engaging at its bight with the outer face of one of said side rails, and engaging at the outer face of one of its legs with the inner face of the shoulder on said side rails; a tubular member slidably mounted between the legs of said U-shaped member and movable inwardly and outwardly thereof; a sprin for normally resisting inward movement of said tubular member relatively to said U-shaped member; a tubular member rectangular in cross-section and engaging at one of its sides with the outer face of the other of said side rails and secured thereto, the outer face of one of the sides of said tubular member engaging the inner face of the shoulder of said side rail; and -a U-shapcd extension mounted on and projecting outwardly from said tubular member.

2. A ventilator of the class described comprising a frame embodying a pair of oppositely disposed side rails and a top rail and bottom rail all rigidly connected together; an angularly turned portion on one of the corresponding edges of the said side rails to provide an outwardly projecting shoulder and inwardly faced channel on said edge of each of said side rails; a U shaped member mounted on and engaging at its bight with the outer face of one of said side rails, and engaging at the outer face of one of its legs with the inner face of the shoulder on said side rail, a tubular member slidably mounted between the legs of said U -shaped member and movably inwardly and outwardly thereof; a spring for normally resisting inward movement of said tubular member relatively to said U-shaped member; a

tubular member rectangular in cross-section and engaging at one of its sides with the outer face of the other of said side rails and secured thereto, the outer face of one of the sides of said tubular member engaging the inner face of the shoulder of said side rail; and a U-shaped extension mounted on and projecting outwardly from said tubular member; a plate slidably mounted on said first named tubular member; a projection extending outwardly from said plate, there being a recess formed in one of the legs of said U-shaped member for accommodating said projection, said leg having, adjacent one endof said, recess, an inwardly projecting notch formed therein for reception of said projection, said projection being movable into and out of registration with said notch, said projection, upon movement out of registration with said notch, pre-' venting inward movement of said,first named tubular member relatively to said U-shaped member. 7 a JOHN C. GERKEN.

REFERENGES CEZEED The following references are of record in, the file of this patent:

UNITED sTA'rEs PATENTs. 7

Larsen Aug. 22, 1944 

